from flask import abort
from flask import current_app
from flask import g, jsonify
from flask import redirect
from flask import render_template
from flask import request
from flask import session

from info import constants
from info import db
from info.models import Category, News, User
from info.utils.common import user_login_data
from info.utils.image_storage import storage
from info.utils.response_code import RET
from . import profile_blue

@profile_blue.route('/other_news_list')
@user_login_data
def other_news_list():
    # 获取页数
    p = request.args.get("p", 1)
    user_id = request.args.get("user_id")
    try:
        p = int(p)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    if not all([p, user_id]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    try:
        user = User.query.get(user_id)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据查询错误")

    if not user:
        return jsonify(errno=RET.NODATA, errmsg="用户不存在")

    try:
        paginate = News.query.filter(News.user_id == user.id).paginate(p, constants.OTHER_NEWS_PAGE_MAX_COUNT, False)
        # 获取当前页数据
        news_li = paginate.items
        # 获取当前页
        current_page = paginate.page
        # 获取总页数
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据查询错误")

    news_dict_li = []

    for news_item in news_li:
        news_dict_li.append(news_item.to_review_dict())
    data = {"news_list": news_dict_li,
            "total_page": total_page,
            "current_page": current_page,
            }
    return jsonify(errno=RET.OK, errmsg="OK", data=data)


@profile_blue.route('/other_info')
@user_login_data
def other_info():
    """查看其他用户信息"""
    user = g.user

    # 获取其他用户id
    user_id = request.args.get("user_id")
    if not user_id:
        abort(404)
    # 查询用户模型
    other = None
    try:
        other = User.query.get(user_id)
    except Exception as e:
        current_app.logger.error(e)
    if not other:
        abort(404)

    # 判断当前登录用户是否关注过该用户
    is_followed = False
    if g.user:
        if other.followers.filter(User.id == user.id).count() > 0:
            is_followed = True

    # 组织数据，并返回
    data = {
        "user_info": user.to_dict(),
        "other_info": other.to_dict(),
        "is_followed": is_followed,
        "user":g.user
    }
    return render_template('news/other.html', data=data)


@profile_blue.route('/user_follow')
@user_login_data
def user_follow():
    # 获取页数
    p = request.args.get("p", 1)
    try:
        p = int(p)
    except Exception as e:
        current_app.logger.error(e)
        p = 1

    # 1.获取当前登录用户
    user = g.user

    follows = []
    current_page = 1
    total_page = 1
    # 分页操作
    try:
        paginate = user.followed.paginate(p, constants.USER_FOLLOWED_MAX_COUNT, False)
        # 获取当前页数据
        follows = paginate.items
        # 获取当前页
        current_page = paginate.page
        # 获取总页数
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)

    user_dict_li = []

    for follow_user in follows:
        user_dict_li.append(follow_user.to_dict())
    data = {"users": user_dict_li,
            "total_page": total_page,
            "current_page": current_page
            }
    return render_template('news/user_follow.html', data=data)


@profile_blue.route('/news_list')
@user_login_data
def news_list():
    # 获取页数
    p = request.args.get("p", 1)
    try:
        p = int(p)
    except Exception as e:
        current_app.logger.error(e)
        p = 1

    user = g.user
    news_li = []
    current_page = 1
    total_page = 1
    try:
        paginate = News.query.filter(News.user_id == user.id).paginate(p, constants.USER_COLLECTION_MAX_NEWS, False)
        # 获取当前页数据
        news_li = paginate.items
        # 获取当前页
        current_page = paginate.page
        # 获取总页数
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)

    news_dict_li = []

    for news_item in news_li:
        news_dict_li.append(news_item.to_review_dict())
    data = {
        "news_list": news_dict_li,
        "total_page": total_page,
        "current_page": current_page
    }
    return render_template('news/user_news_list.html',data=data)


@profile_blue.route('/news_release',methods=['GET',"POST"])
@user_login_data
def news_release():
    if request.method == "GET":
        try:
            categories = Category.query.all()
        except Exception as e:
            current_app.logger.error(e)
            return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

        categories_list = []
        for category in categories:
            categories_list.append(category.to_dict())
        categories_list.pop(0)
        categories_list=categories_list[::-1]
        return render_template('news/user_news_release.html', data={"categories": categories_list})

    # 1.获取参数,取到的图片上传
    title=request.form.get('title')
    source = "个人发布"
    category_id=request.form.get('category_id')
    digest=request.form.get('digest')
    content=request.form.get('content')
    index_image=request.files.get('index_image')
    # 1.1 判断数据是否有值
    if not all([title, source, digest, content, index_image, category_id]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数有误")
    # 1.2上传图片到7牛云
    try:
        index_image_data=index_image.read()
        key=storage(index_image_data)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    # 2.初始化新闻模型
    try:
        category_id=int(category_id)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    news = News()
    news.title = title
    news.digest = digest
    news.source = source
    news.content = content
    news.index_image_url = constants.QINIU_DOMIN_PREFIX + key
    news.category_id = category_id
    news.user_id = g.user.id
    # 1代表待审核状态,0代表过审
    news.status = 0
    try:
        db.session.add(news)
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    # 5. 返回结果
    return jsonify(errno=RET.OK, errmsg="发布成功，等待审核")


@profile_blue.route('/collection')
@user_login_data
def user_collection():
    if request.method == "GET":
        # 2.查看当前页数操作
        p = request.args.get('p', 1)
        try:
            p = int(p)
        except Exception as e:
            current_app.logger.error(e)
            p = 1
        # 2.对用户收藏的新闻分页查询
        user = g.user
        current_page = 1
        total_page = 1
        collections = None
        try:
            paginate = user.collection_news.paginate(p, constants.USER_COLLECTION_MAX_NEWS, False)
            current_page = paginate.page
            total_page = paginate.pages
            collections = paginate.items
        except Exception as e:
            current_app.logger.error(e)

        collections_list = []
        for collection in collections:
            collections_list.append(collection.to_basic_dict())
        data = {
            'collections': collections_list,
            'current_page': current_page,
            'total_page': total_page
        }
        return render_template('news/user_collection.html', data=data)


@profile_blue.route('/pass_info', methods=["GET", "POST"])
@user_login_data
def pass_info():
    if request.method == "GET":
        return render_template('news/user_pass_info.html')
    # 1.获取参数,检验参数
    new_password = request.json.get('new_password')
    old_password = request.json.get('old_password')
    if not all([new_password, old_password]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
    # 2．判断密码是否正确
    user = g.user
    if not user.check_password(old_password):
        return jsonify(errno=RET.PWDERR, errmsg="密码错误")
    # 3.保存新密码
    user.password = new_password
    try:
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DATAERR, errmsg="用户密码保存失败")

    return jsonify(errno=RET.OK, errmsg="保存成功")


@profile_blue.route('/pic_info', methods=["GET", "POST"])
@user_login_data
def pic_info():
    user = g.user
    if request.method == 'GET':
        return render_template('news/user_pic_info.html', data={'user': user.to_dict()})
    # 1.获取上传的图片
    try:
        avatar_file = request.files.get('avatar').read()
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
    # 2.山传图片到七牛云，获取图片地址
    try:
        url = storage(avatar_file)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.THIRDERR, errmsg="上传图片错误")
    # 3.把图片地址储存在数据库
    user.avatar_url = url
    try:
        db.session.commit()
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DATAERR, errmsg="保存用户数据错误")

    return jsonify(errno=RET.OK, errmsg="OK", data={'avatar_url': constants.QINIU_DOMIN_PREFIX + url})


@profile_blue.route('/base_info', methods=["GET", "POST"])
@user_login_data
def base_info():
    user = g.user
    if request.method == 'GET':
        data = {
            'user': user.to_dict()
        }
        return render_template('news/user_base_info.html', data=data)
    else:
        # 如果修改用户数据，请求方式为post
        # 1.取到传入的参数
        nick_name = request.json.get('nick_name')
        signature = request.json.get('signature')
        gender = request.json.get('gender')
        if not all([nick_name, signature, gender]):
            return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
        if gender not in ['MAN', 'WOMAN']:
            return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
        user.nick_name = nick_name
        user.gender = gender
        user.signature = signature
        try:
            db.session.commit()
        except Exception as e:
            current_app.logger.error(e)
            db.session.rollback()
            return jsonify(errno=RET.DBERR, errmsg="保存数据失败")

        session['nick_name'] = nick_name

    return jsonify(errno=RET.OK, errmsg="更新成功", data={'user': user.to_dict()})


@profile_blue.route('/info')
@user_login_data
def user_info():
    user = g.user
    if not user:
        return redirect('/')
    data = {
        'user': user.to_dict()
    }
    return render_template('news/user.html', data=data)
